Magnetizing device for permanent magnet motor for electric vehic

Details Magnetizing device for permanent magnet motor for electric vehic Magnetizing device for permanent magnet motor for electric vehic

1975-09-29

1977-08-02

Smith, Jr., David

Electrical transmission or interconnection systems

Residual or remanent magnetism control

335284, 361147, H01F 1300, H01F 2742

Patent

active

040398536

ABSTRACT:
A magnetizing device for a permanent magnet motor used for driving an electric vehicle in which a magnetizing coil is wound around the permanent magnet of the permanent magnet motor, and means are provided for detecting a specific step such as manipulation of the key switch in the electric vehicle in a series of predetermined steps required for the operation of the electric vehicle. In response to the detection of such specific manipulation, magnetizing current is supplied to the magnetizing coil from the battery of the electric vehicle so that the permanent magnet can be automatically magnetized.

REFERENCES:
patent: 2529049 (1950-11-01), Ross
patent: 2609411 (1952-09-01), Reijnst et al.
patent: 3678436 (1972-07-01), Herdrich

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